The answer to your question is lakes and rivers. Hope this helps!
Well Glucose is the fueal for all the cells in out body,But it can behave like a slow acting poison,High sugar levels slowly erode the ability of cells in your pancreas to make insulin,,So I'm thinking it's break down when it goes down your digestive system and release a hormone called insulin
Pollution and digging oil wells. Pollution contaminates the Earth and digging oil wells can cause earthquakes.